$-2\left(-4g^2-g-2\right)$
$\left(\frac{2^5}{2^3}\right)^2$
$x^2+8x-10\:-3x^2+5x+8\:-x^2+2xy+2$
$\left(\sin2x+\cos2x\right)^2-1=\sin4x$
$\int\left(\frac{1}{\sqrt[4]{1+2x}}\right)dx$
$7\sin b+\sqrt{23}=0$
$\int_1^52xdx$
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